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Finding the Third Proportional to 1,996,020 and 4,319,784

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Solution

The third proportional to 1,996,020 and 4,319,784 is: 9,348,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,020 : 4,319,784 = 4,319,784 : x
  2. Step 2: Convert to fraction form
    1,996,020/4,319,784 = 4,319,784/x
  3. Step 3: Cross multiply
    1,996,020x = 4,319,784 × 4,319,784
  4. Step 4: Simplify right side
    1,996,020x = 18,660,533,806,656
  5. Step 5: Solve for x
    x = 18,660,533,806,656/1,996,020
  6. Step 6: Final answer
    x = 9,348,871.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.