Home / 20,918,174.50-45,197,538.50

Finding the Third Proportional to 20,918,174.50 and 45,197,538.50

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Solution

The third proportional to 20,918,174.50 and 45,197,538.50 is: 97,657,541.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,918,174.50 : 45,197,538.50 = 45,197,538.50 : x
  2. Step 2: Convert to fraction form
    20,918,174.50/45,197,538.50 = 45,197,538.50/x
  3. Step 3: Cross multiply
    20,918,174.50x = 45,197,538.50 × 45,197,538.50
  4. Step 4: Simplify right side
    20,918,174.50x = 2,042,817,486,458,982.25
  5. Step 5: Solve for x
    x = 2,042,817,486,458,982.25/20,918,174.50
  6. Step 6: Final answer
    x = 97,657,541.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.