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Finding the Third Proportional to 40,871,602 and 68,116,612

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Solution

The third proportional to 40,871,602 and 68,116,612 is: 113,523,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,871,602 : 68,116,612 = 68,116,612 : x
  2. Step 2: Convert to fraction form
    40,871,602/68,116,612 = 68,116,612/x
  3. Step 3: Cross multiply
    40,871,602x = 68,116,612 × 68,116,612
  4. Step 4: Simplify right side
    40,871,602x = 4,639,872,830,358,544
  5. Step 5: Solve for x
    x = 4,639,872,830,358,544/40,871,602
  6. Step 6: Final answer
    x = 113,523,145.74

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.