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Finding the Third Proportional to 153,805,129.50 and 219,783,885

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Solution

The third proportional to 153,805,129.50 and 219,783,885 is: 314,065,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,805,129.50 : 219,783,885 = 219,783,885 : x
  2. Step 2: Convert to fraction form
    153,805,129.50/219,783,885 = 219,783,885/x
  3. Step 3: Cross multiply
    153,805,129.50x = 219,783,885 × 219,783,885
  4. Step 4: Simplify right side
    153,805,129.50x = 48,304,956,105,693,224
  5. Step 5: Solve for x
    x = 48,304,956,105,693,224/153,805,129.50
  6. Step 6: Final answer
    x = 314,065,962.97

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.