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Finding the Third Proportional to 39,931,761 and 61,340,070

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Solution

The third proportional to 39,931,761 and 61,340,070 is: 94,225,851.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931,761 : 61,340,070 = 61,340,070 : x
  2. Step 2: Convert to fraction form
    39,931,761/61,340,070 = 61,340,070/x
  3. Step 3: Cross multiply
    39,931,761x = 61,340,070 × 61,340,070
  4. Step 4: Simplify right side
    39,931,761x = 3,762,604,187,604,900
  5. Step 5: Solve for x
    x = 3,762,604,187,604,900/39,931,761
  6. Step 6: Final answer
    x = 94,225,851.64

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.