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Finding the Third Proportional to 917,480 and 1,349,182

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Solution

The third proportional to 917,480 and 1,349,182 is: 1,984,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,480 : 1,349,182 = 1,349,182 : x
  2. Step 2: Convert to fraction form
    917,480/1,349,182 = 1,349,182/x
  3. Step 3: Cross multiply
    917,480x = 1,349,182 × 1,349,182
  4. Step 4: Simplify right side
    917,480x = 1,820,292,069,124
  5. Step 5: Solve for x
    x = 1,820,292,069,124/917,480
  6. Step 6: Final answer
    x = 1,984,012.81

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.