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Finding the Third Proportional to 443,616,300 and 989,234,136

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Solution

The third proportional to 443,616,300 and 989,234,136 is: 2,205,924,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,616,300 : 989,234,136 = 989,234,136 : x
  2. Step 2: Convert to fraction form
    443,616,300/989,234,136 = 989,234,136/x
  3. Step 3: Cross multiply
    443,616,300x = 989,234,136 × 989,234,136
  4. Step 4: Simplify right side
    443,616,300x = 978,584,175,827,666,432
  5. Step 5: Solve for x
    x = 978,584,175,827,666,432/443,616,300
  6. Step 6: Final answer
    x = 2,205,924,750.35

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.