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Finding the Third Proportional to 129,528,099 and 280,579,572

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Solution

The third proportional to 129,528,099 and 280,579,572 is: 607,782,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,528,099 : 280,579,572 = 280,579,572 : x
  2. Step 2: Convert to fraction form
    129,528,099/280,579,572 = 280,579,572/x
  3. Step 3: Cross multiply
    129,528,099x = 280,579,572 × 280,579,572
  4. Step 4: Simplify right side
    129,528,099x = 78,724,896,223,703,184
  5. Step 5: Solve for x
    x = 78,724,896,223,703,184/129,528,099
  6. Step 6: Final answer
    x = 607,782,379.51

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.