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Finding the Third Proportional to 8,654,640,358.50 and 12,931,013,655

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Solution

The third proportional to 8,654,640,358.50 and 12,931,013,655 is: 19,320,400,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,654,640,358.50 : 12,931,013,655 = 12,931,013,655 : x
  2. Step 2: Convert to fraction form
    8,654,640,358.50/12,931,013,655 = 12,931,013,655/x
  3. Step 3: Cross multiply
    8,654,640,358.50x = 12,931,013,655 × 12,931,013,655
  4. Step 4: Simplify right side
    8,654,640,358.50x = 167,211,114,145,796,456,448
  5. Step 5: Solve for x
    x = 167,211,114,145,796,456,448/8,654,640,358.50
  6. Step 6: Final answer
    x = 19,320,400,065.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.