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Finding the Third Proportional to 545,700 and 1,118,454

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Solution

The third proportional to 545,700 and 1,118,454 is: 2,292,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,700 : 1,118,454 = 1,118,454 : x
  2. Step 2: Convert to fraction form
    545,700/1,118,454 = 1,118,454/x
  3. Step 3: Cross multiply
    545,700x = 1,118,454 × 1,118,454
  4. Step 4: Simplify right side
    545,700x = 1,250,939,350,116
  5. Step 5: Solve for x
    x = 1,250,939,350,116/545,700
  6. Step 6: Final answer
    x = 2,292,357.25

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.