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Finding the Third Proportional to 3,316,489.50 and 7,140,363

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Solution

The third proportional to 3,316,489.50 and 7,140,363 is: 15,373,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,489.50 : 7,140,363 = 7,140,363 : x
  2. Step 2: Convert to fraction form
    3,316,489.50/7,140,363 = 7,140,363/x
  3. Step 3: Cross multiply
    3,316,489.50x = 7,140,363 × 7,140,363
  4. Step 4: Simplify right side
    3,316,489.50x = 50,984,783,771,769
  5. Step 5: Solve for x
    x = 50,984,783,771,769/3,316,489.50
  6. Step 6: Final answer
    x = 15,373,117.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.