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Finding the Third Proportional to 688,030 and 1,554,432

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Solution

The third proportional to 688,030 and 1,554,432 is: 3,511,851.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,030 : 1,554,432 = 1,554,432 : x
  2. Step 2: Convert to fraction form
    688,030/1,554,432 = 1,554,432/x
  3. Step 3: Cross multiply
    688,030x = 1,554,432 × 1,554,432
  4. Step 4: Simplify right side
    688,030x = 2,416,258,842,624
  5. Step 5: Solve for x
    x = 2,416,258,842,624/688,030
  6. Step 6: Final answer
    x = 3,511,851.00

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.