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Finding the Third Proportional to 438,628,060 and 963,339,056

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Solution

The third proportional to 438,628,060 and 963,339,056 is: 2,115,738,187.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,628,060 : 963,339,056 = 963,339,056 : x
  2. Step 2: Convert to fraction form
    438,628,060/963,339,056 = 963,339,056/x
  3. Step 3: Cross multiply
    438,628,060x = 963,339,056 × 963,339,056
  4. Step 4: Simplify right side
    438,628,060x = 928,022,136,814,971,136
  5. Step 5: Solve for x
    x = 928,022,136,814,971,136/438,628,060
  6. Step 6: Final answer
    x = 2,115,738,187.87

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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.