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Finding the Third Proportional to 270,492 and 578,508

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Solution

The third proportional to 270,492 and 578,508 is: 1,237,269.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,492 : 578,508 = 578,508 : x
  2. Step 2: Convert to fraction form
    270,492/578,508 = 578,508/x
  3. Step 3: Cross multiply
    270,492x = 578,508 × 578,508
  4. Step 4: Simplify right side
    270,492x = 334,671,506,064
  5. Step 5: Solve for x
    x = 334,671,506,064/270,492
  6. Step 6: Final answer
    x = 1,237,269.52

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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.