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Finding the Third Proportional to 830,742 and 1,244,731.50

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Solution

The third proportional to 830,742 and 1,244,731.50 is: 1,865,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,742 : 1,244,731.50 = 1,244,731.50 : x
  2. Step 2: Convert to fraction form
    830,742/1,244,731.50 = 1,244,731.50/x
  3. Step 3: Cross multiply
    830,742x = 1,244,731.50 × 1,244,731.50
  4. Step 4: Simplify right side
    830,742x = 1,549,356,507,092.25
  5. Step 5: Solve for x
    x = 1,549,356,507,092.25/830,742
  6. Step 6: Final answer
    x = 1,865,027.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.