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Finding the Third Proportional to 1,330,303 and 2,918,128

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Solution

The third proportional to 1,330,303 and 2,918,128 is: 6,401,151.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,303 : 2,918,128 = 2,918,128 : x
  2. Step 2: Convert to fraction form
    1,330,303/2,918,128 = 2,918,128/x
  3. Step 3: Cross multiply
    1,330,303x = 2,918,128 × 2,918,128
  4. Step 4: Simplify right side
    1,330,303x = 8,515,471,024,384
  5. Step 5: Solve for x
    x = 8,515,471,024,384/1,330,303
  6. Step 6: Final answer
    x = 6,401,151.49

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.