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Finding the Third Proportional to 68,717,898 and 147,272,556

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Solution

The third proportional to 68,717,898 and 147,272,556 is: 315,626,734.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,717,898 : 147,272,556 = 147,272,556 : x
  2. Step 2: Convert to fraction form
    68,717,898/147,272,556 = 147,272,556/x
  3. Step 3: Cross multiply
    68,717,898x = 147,272,556 × 147,272,556
  4. Step 4: Simplify right side
    68,717,898x = 21,689,205,750,773,136
  5. Step 5: Solve for x
    x = 21,689,205,750,773,136/68,717,898
  6. Step 6: Final answer
    x = 315,626,734.55

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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.