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Finding the Third Proportional to 18,365,130 and 40,087,412

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Solution

The third proportional to 18,365,130 and 40,087,412 is: 87,502,816.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365,130 : 40,087,412 = 40,087,412 : x
  2. Step 2: Convert to fraction form
    18,365,130/40,087,412 = 40,087,412/x
  3. Step 3: Cross multiply
    18,365,130x = 40,087,412 × 40,087,412
  4. Step 4: Simplify right side
    18,365,130x = 1,607,000,600,857,744
  5. Step 5: Solve for x
    x = 1,607,000,600,857,744/18,365,130
  6. Step 6: Final answer
    x = 87,502,816.53

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.