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Finding the Third Proportional to 18,134,428 and 39,831,423.50

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Solution

The third proportional to 18,134,428 and 39,831,423.50 is: 87,487,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134,428 : 39,831,423.50 = 39,831,423.50 : x
  2. Step 2: Convert to fraction form
    18,134,428/39,831,423.50 = 39,831,423.50/x
  3. Step 3: Cross multiply
    18,134,428x = 39,831,423.50 × 39,831,423.50
  4. Step 4: Simplify right side
    18,134,428x = 1,586,542,298,036,352.25
  5. Step 5: Solve for x
    x = 1,586,542,298,036,352.25/18,134,428
  6. Step 6: Final answer
    x = 87,487,860.00

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.