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Finding the Third Proportional to 765,639 and 1,648,281

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Solution

The third proportional to 765,639 and 1,648,281 is: 3,548,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,639 : 1,648,281 = 1,648,281 : x
  2. Step 2: Convert to fraction form
    765,639/1,648,281 = 1,648,281/x
  3. Step 3: Cross multiply
    765,639x = 1,648,281 × 1,648,281
  4. Step 4: Simplify right side
    765,639x = 2,716,830,254,961
  5. Step 5: Solve for x
    x = 2,716,830,254,961/765,639
  6. Step 6: Final answer
    x = 3,548,448.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.