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Finding the Third Proportional to 28,557,680 and 43,506,100

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Solution

The third proportional to 28,557,680 and 43,506,100 is: 66,279,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557,680 : 43,506,100 = 43,506,100 : x
  2. Step 2: Convert to fraction form
    28,557,680/43,506,100 = 43,506,100/x
  3. Step 3: Cross multiply
    28,557,680x = 43,506,100 × 43,506,100
  4. Step 4: Simplify right side
    28,557,680x = 1,892,780,737,210,000
  5. Step 5: Solve for x
    x = 1,892,780,737,210,000/28,557,680
  6. Step 6: Final answer
    x = 66,279,219.36

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.