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Finding the Third Proportional to 39,388,468 and 63,286,306

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Solution

The third proportional to 39,388,468 and 63,286,306 is: 101,683,480.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,388,468 : 63,286,306 = 63,286,306 : x
  2. Step 2: Convert to fraction form
    39,388,468/63,286,306 = 63,286,306/x
  3. Step 3: Cross multiply
    39,388,468x = 63,286,306 × 63,286,306
  4. Step 4: Simplify right side
    39,388,468x = 4,005,156,527,125,636
  5. Step 5: Solve for x
    x = 4,005,156,527,125,636/39,388,468
  6. Step 6: Final answer
    x = 101,683,480.74

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.