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Finding the Third Proportional to 1,536,543.50 and 3,319,278.50

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Solution

The third proportional to 1,536,543.50 and 3,319,278.50 is: 7,170,385.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,543.50 : 3,319,278.50 = 3,319,278.50 : x
  2. Step 2: Convert to fraction form
    1,536,543.50/3,319,278.50 = 3,319,278.50/x
  3. Step 3: Cross multiply
    1,536,543.50x = 3,319,278.50 × 3,319,278.50
  4. Step 4: Simplify right side
    1,536,543.50x = 11,017,609,760,562.25
  5. Step 5: Solve for x
    x = 11,017,609,760,562.25/1,536,543.50
  6. Step 6: Final answer
    x = 7,170,385.84

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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.