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Finding the Third Proportional to 143,892,946 and 316,477,136

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Solution

The third proportional to 143,892,946 and 316,477,136 is: 696,057,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,892,946 : 316,477,136 = 316,477,136 : x
  2. Step 2: Convert to fraction form
    143,892,946/316,477,136 = 316,477,136/x
  3. Step 3: Cross multiply
    143,892,946x = 316,477,136 × 316,477,136
  4. Step 4: Simplify right side
    143,892,946x = 100,157,777,610,762,496
  5. Step 5: Solve for x
    x = 100,157,777,610,762,496/143,892,946
  6. Step 6: Final answer
    x = 696,057,592.78

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.