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Finding the Third Proportional to 7,205,490 and 15,828,156

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Solution

The third proportional to 7,205,490 and 15,828,156 is: 34,769,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,205,490 : 15,828,156 = 15,828,156 : x
  2. Step 2: Convert to fraction form
    7,205,490/15,828,156 = 15,828,156/x
  3. Step 3: Cross multiply
    7,205,490x = 15,828,156 × 15,828,156
  4. Step 4: Simplify right side
    7,205,490x = 250,530,522,360,336
  5. Step 5: Solve for x
    x = 250,530,522,360,336/7,205,490
  6. Step 6: Final answer
    x = 34,769,394.22

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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.