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Finding the Third Proportional to 18,011,784.50 and 38,759,089.50

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Solution

The third proportional to 18,011,784.50 and 38,759,089.50 is: 83,404,674.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011,784.50 : 38,759,089.50 = 38,759,089.50 : x
  2. Step 2: Convert to fraction form
    18,011,784.50/38,759,089.50 = 38,759,089.50/x
  3. Step 3: Cross multiply
    18,011,784.50x = 38,759,089.50 × 38,759,089.50
  4. Step 4: Simplify right side
    18,011,784.50x = 1,502,267,018,869,010.25
  5. Step 5: Solve for x
    x = 1,502,267,018,869,010.25/18,011,784.50
  6. Step 6: Final answer
    x = 83,404,674.25

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.