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Finding the Third Proportional to 15,787,574 and 34,011,490

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Solution

The third proportional to 15,787,574 and 34,011,490 is: 73,271,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787,574 : 34,011,490 = 34,011,490 : x
  2. Step 2: Convert to fraction form
    15,787,574/34,011,490 = 34,011,490/x
  3. Step 3: Cross multiply
    15,787,574x = 34,011,490 × 34,011,490
  4. Step 4: Simplify right side
    15,787,574x = 1,156,781,452,020,100
  5. Step 5: Solve for x
    x = 1,156,781,452,020,100/15,787,574
  6. Step 6: Final answer
    x = 73,271,640.85

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.