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Finding the Third Proportional to 702,492 and 1,511,490

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Solution

The third proportional to 702,492 and 1,511,490 is: 3,252,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,492 : 1,511,490 = 1,511,490 : x
  2. Step 2: Convert to fraction form
    702,492/1,511,490 = 1,511,490/x
  3. Step 3: Cross multiply
    702,492x = 1,511,490 × 1,511,490
  4. Step 4: Simplify right side
    702,492x = 2,284,602,020,100
  5. Step 5: Solve for x
    x = 2,284,602,020,100/702,492
  6. Step 6: Final answer
    x = 3,252,139.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.