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Finding the Third Proportional to 899,412 and 1,915,347

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Solution

The third proportional to 899,412 and 1,915,347 is: 4,078,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,412 : 1,915,347 = 1,915,347 : x
  2. Step 2: Convert to fraction form
    899,412/1,915,347 = 1,915,347/x
  3. Step 3: Cross multiply
    899,412x = 1,915,347 × 1,915,347
  4. Step 4: Simplify right side
    899,412x = 3,668,554,130,409
  5. Step 5: Solve for x
    x = 3,668,554,130,409/899,412
  6. Step 6: Final answer
    x = 4,078,836.10

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.