Home / 21,990,532.50-28,917,969.75

Finding the Third Proportional to 21,990,532.50 and 28,917,969.75

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Solution

The third proportional to 21,990,532.50 and 28,917,969.75 is: 38,027,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,990,532.50 : 28,917,969.75 = 28,917,969.75 : x
  2. Step 2: Convert to fraction form
    21,990,532.50/28,917,969.75 = 28,917,969.75/x
  3. Step 3: Cross multiply
    21,990,532.50x = 28,917,969.75 × 28,917,969.75
  4. Step 4: Simplify right side
    21,990,532.50x = 836,248,974,461,915
  5. Step 5: Solve for x
    x = 836,248,974,461,915/21,990,532.50
  6. Step 6: Final answer
    x = 38,027,681.89

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.