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Finding the Third Proportional to 170,136,777 and 373,212,402

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Solution

The third proportional to 170,136,777 and 373,212,402 is: 818,679,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,136,777 : 373,212,402 = 373,212,402 : x
  2. Step 2: Convert to fraction form
    170,136,777/373,212,402 = 373,212,402/x
  3. Step 3: Cross multiply
    170,136,777x = 373,212,402 × 373,212,402
  4. Step 4: Simplify right side
    170,136,777x = 139,287,497,006,609,600
  5. Step 5: Solve for x
    x = 139,287,497,006,609,600/170,136,777
  6. Step 6: Final answer
    x = 818,679,532.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.