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Finding the Third Proportional to 307,041,088 and 439,072,136

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Solution

The third proportional to 307,041,088 and 439,072,136 is: 627,877,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,041,088 : 439,072,136 = 439,072,136 : x
  2. Step 2: Convert to fraction form
    307,041,088/439,072,136 = 439,072,136/x
  3. Step 3: Cross multiply
    307,041,088x = 439,072,136 × 439,072,136
  4. Step 4: Simplify right side
    307,041,088x = 192,784,340,611,602,496
  5. Step 5: Solve for x
    x = 192,784,340,611,602,496/307,041,088
  6. Step 6: Final answer
    x = 627,877,988.15

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.