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Finding the Third Proportional to 67,717,307 and 103,160,320

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Solution

The third proportional to 67,717,307 and 103,160,320 is: 157,154,087.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,717,307 : 103,160,320 = 103,160,320 : x
  2. Step 2: Convert to fraction form
    67,717,307/103,160,320 = 103,160,320/x
  3. Step 3: Cross multiply
    67,717,307x = 103,160,320 × 103,160,320
  4. Step 4: Simplify right side
    67,717,307x = 10,642,051,622,502,400
  5. Step 5: Solve for x
    x = 10,642,051,622,502,400/67,717,307
  6. Step 6: Final answer
    x = 157,154,087.99

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.