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Finding the Third Proportional to 27,731,490 and 43,276,050

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Solution

The third proportional to 27,731,490 and 43,276,050 is: 67,533,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731,490 : 43,276,050 = 43,276,050 : x
  2. Step 2: Convert to fraction form
    27,731,490/43,276,050 = 43,276,050/x
  3. Step 3: Cross multiply
    27,731,490x = 43,276,050 × 43,276,050
  4. Step 4: Simplify right side
    27,731,490x = 1,872,816,503,602,500
  5. Step 5: Solve for x
    x = 1,872,816,503,602,500/27,731,490
  6. Step 6: Final answer
    x = 67,533,929.97

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.