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Finding the Third Proportional to 442,784.38 and 917,075.13

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Solution

The third proportional to 442,784.38 and 917,075.13 is: 1,899,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,784.38 : 917,075.13 = 917,075.13 : x
  2. Step 2: Convert to fraction form
    442,784.38/917,075.13 = 917,075.13/x
  3. Step 3: Cross multiply
    442,784.38x = 917,075.13 × 917,075.13
  4. Step 4: Simplify right side
    442,784.38x = 841,026,784,893.77
  5. Step 5: Solve for x
    x = 841,026,784,893.77/442,784.38
  6. Step 6: Final answer
    x = 1,899,404.84

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.