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Finding the Third Proportional to 86,684,218 and 126,916,410

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Solution

The third proportional to 86,684,218 and 126,916,410 is: 185,821,312.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,684,218 : 126,916,410 = 126,916,410 : x
  2. Step 2: Convert to fraction form
    86,684,218/126,916,410 = 126,916,410/x
  3. Step 3: Cross multiply
    86,684,218x = 126,916,410 × 126,916,410
  4. Step 4: Simplify right side
    86,684,218x = 16,107,775,127,288,100
  5. Step 5: Solve for x
    x = 16,107,775,127,288,100/86,684,218
  6. Step 6: Final answer
    x = 185,821,312.10

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.