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Finding the Third Proportional to 402,129,511.50 and 867,773,877

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Solution

The third proportional to 402,129,511.50 and 867,773,877 is: 1,872,609,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,129,511.50 : 867,773,877 = 867,773,877 : x
  2. Step 2: Convert to fraction form
    402,129,511.50/867,773,877 = 867,773,877/x
  3. Step 3: Cross multiply
    402,129,511.50x = 867,773,877 × 867,773,877
  4. Step 4: Simplify right side
    402,129,511.50x = 753,031,501,603,611,136
  5. Step 5: Solve for x
    x = 753,031,501,603,611,136/402,129,511.50
  6. Step 6: Final answer
    x = 1,872,609,395.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.