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Finding the Third Proportional to 30,281,217 and 66,424,474.50

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Solution

The third proportional to 30,281,217 and 66,424,474.50 is: 145,707,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281,217 : 66,424,474.50 = 66,424,474.50 : x
  2. Step 2: Convert to fraction form
    30,281,217/66,424,474.50 = 66,424,474.50/x
  3. Step 3: Cross multiply
    30,281,217x = 66,424,474.50 × 66,424,474.50
  4. Step 4: Simplify right side
    30,281,217x = 4,412,210,812,601,150
  5. Step 5: Solve for x
    x = 4,412,210,812,601,150/30,281,217
  6. Step 6: Final answer
    x = 145,707,843.00

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.