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Finding the Third Proportional to 916,254 and 1,398,073.50

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Solution

The third proportional to 916,254 and 1,398,073.50 is: 2,133,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,254 : 1,398,073.50 = 1,398,073.50 : x
  2. Step 2: Convert to fraction form
    916,254/1,398,073.50 = 1,398,073.50/x
  3. Step 3: Cross multiply
    916,254x = 1,398,073.50 × 1,398,073.50
  4. Step 4: Simplify right side
    916,254x = 1,954,609,511,402.25
  5. Step 5: Solve for x
    x = 1,954,609,511,402.25/916,254
  6. Step 6: Final answer
    x = 2,133,261.64

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.