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Finding the Third Proportional to 56,243,608 and 87,654,120

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Solution

The third proportional to 56,243,608 and 87,654,120 is: 136,606,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,243,608 : 87,654,120 = 87,654,120 : x
  2. Step 2: Convert to fraction form
    56,243,608/87,654,120 = 87,654,120/x
  3. Step 3: Cross multiply
    56,243,608x = 87,654,120 × 87,654,120
  4. Step 4: Simplify right side
    56,243,608x = 7,683,244,752,974,400
  5. Step 5: Solve for x
    x = 7,683,244,752,974,400/56,243,608
  6. Step 6: Final answer
    x = 136,606,541.19

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.