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Finding the Third Proportional to 875,820 and 1,319,996

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Solution

The third proportional to 875,820 and 1,319,996 is: 1,989,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,820 : 1,319,996 = 1,319,996 : x
  2. Step 2: Convert to fraction form
    875,820/1,319,996 = 1,319,996/x
  3. Step 3: Cross multiply
    875,820x = 1,319,996 × 1,319,996
  4. Step 4: Simplify right side
    875,820x = 1,742,389,440,016
  5. Step 5: Solve for x
    x = 1,742,389,440,016/875,820
  6. Step 6: Final answer
    x = 1,989,437.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.