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Finding the Third Proportional to 668,574 and 1,430,454

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Solution

The third proportional to 668,574 and 1,430,454 is: 3,060,541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,574 : 1,430,454 = 1,430,454 : x
  2. Step 2: Convert to fraction form
    668,574/1,430,454 = 1,430,454/x
  3. Step 3: Cross multiply
    668,574x = 1,430,454 × 1,430,454
  4. Step 4: Simplify right side
    668,574x = 2,046,198,646,116
  5. Step 5: Solve for x
    x = 2,046,198,646,116/668,574
  6. Step 6: Final answer
    x = 3,060,541.76

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.