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Finding the Third Proportional to 3,669,640 and 5,668,080

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Solution

The third proportional to 3,669,640 and 5,668,080 is: 8,754,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,640 : 5,668,080 = 5,668,080 : x
  2. Step 2: Convert to fraction form
    3,669,640/5,668,080 = 5,668,080/x
  3. Step 3: Cross multiply
    3,669,640x = 5,668,080 × 5,668,080
  4. Step 4: Simplify right side
    3,669,640x = 32,127,130,886,400
  5. Step 5: Solve for x
    x = 32,127,130,886,400/3,669,640
  6. Step 6: Final answer
    x = 8,754,845.40

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.