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Finding the Third Proportional to 6,489,860 and 10,088,778

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Solution

The third proportional to 6,489,860 and 10,088,778 is: 15,683,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,489,860 : 10,088,778 = 10,088,778 : x
  2. Step 2: Convert to fraction form
    6,489,860/10,088,778 = 10,088,778/x
  3. Step 3: Cross multiply
    6,489,860x = 10,088,778 × 10,088,778
  4. Step 4: Simplify right side
    6,489,860x = 101,783,441,533,284
  5. Step 5: Solve for x
    x = 101,783,441,533,284/6,489,860
  6. Step 6: Final answer
    x = 15,683,457.20

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.