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Finding the Third Proportional to 51,573,302.25 and 78,024,345.75

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Solution

The third proportional to 51,573,302.25 and 78,024,345.75 is: 118,041,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,573,302.25 : 78,024,345.75 = 78,024,345.75 : x
  2. Step 2: Convert to fraction form
    51,573,302.25/78,024,345.75 = 78,024,345.75/x
  3. Step 3: Cross multiply
    51,573,302.25x = 78,024,345.75 × 78,024,345.75
  4. Step 4: Simplify right side
    51,573,302.25x = 6,087,798,529,715,543
  5. Step 5: Solve for x
    x = 6,087,798,529,715,543/51,573,302.25
  6. Step 6: Final answer
    x = 118,041,666.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.