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Finding the Third Proportional to 38,867,850 and 85,057,776

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Solution

The third proportional to 38,867,850 and 85,057,776 is: 186,139,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,867,850 : 85,057,776 = 85,057,776 : x
  2. Step 2: Convert to fraction form
    38,867,850/85,057,776 = 85,057,776/x
  3. Step 3: Cross multiply
    38,867,850x = 85,057,776 × 85,057,776
  4. Step 4: Simplify right side
    38,867,850x = 7,234,825,258,066,176
  5. Step 5: Solve for x
    x = 7,234,825,258,066,176/38,867,850
  6. Step 6: Final answer
    x = 186,139,065.01

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.