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Finding the Third Proportional to 68,717,882 and 147,272,521

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Solution

The third proportional to 68,717,882 and 147,272,521 is: 315,626,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,717,882 : 147,272,521 = 147,272,521 : x
  2. Step 2: Convert to fraction form
    68,717,882/147,272,521 = 147,272,521/x
  3. Step 3: Cross multiply
    68,717,882x = 147,272,521 × 147,272,521
  4. Step 4: Simplify right side
    68,717,882x = 21,689,195,441,695,440
  5. Step 5: Solve for x
    x = 21,689,195,441,695,440/68,717,882
  6. Step 6: Final answer
    x = 315,626,658.02

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.