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Finding the Third Proportional to 7,164,215 and 15,735,865

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Solution

The third proportional to 7,164,215 and 15,735,865 is: 34,563,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164,215 : 15,735,865 = 15,735,865 : x
  2. Step 2: Convert to fraction form
    7,164,215/15,735,865 = 15,735,865/x
  3. Step 3: Cross multiply
    7,164,215x = 15,735,865 × 15,735,865
  4. Step 4: Simplify right side
    7,164,215x = 247,617,447,298,225
  5. Step 5: Solve for x
    x = 247,617,447,298,225/7,164,215
  6. Step 6: Final answer
    x = 34,563,095.51

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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.