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Finding the Third Proportional to 39,931,685 and 61,339,957

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Solution

The third proportional to 39,931,685 and 61,339,957 is: 94,225,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931,685 : 61,339,957 = 61,339,957 : x
  2. Step 2: Convert to fraction form
    39,931,685/61,339,957 = 61,339,957/x
  3. Step 3: Cross multiply
    39,931,685x = 61,339,957 × 61,339,957
  4. Step 4: Simplify right side
    39,931,685x = 3,762,590,324,761,849
  5. Step 5: Solve for x
    x = 3,762,590,324,761,849/39,931,685
  6. Step 6: Final answer
    x = 94,225,683.81

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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.