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Finding the Third Proportional to 916,235 and 1,398,044.50

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Solution

The third proportional to 916,235 and 1,398,044.50 is: 2,133,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,235 : 1,398,044.50 = 1,398,044.50 : x
  2. Step 2: Convert to fraction form
    916,235/1,398,044.50 = 1,398,044.50/x
  3. Step 3: Cross multiply
    916,235x = 1,398,044.50 × 1,398,044.50
  4. Step 4: Simplify right side
    916,235x = 1,954,528,423,980.25
  5. Step 5: Solve for x
    x = 1,954,528,423,980.25/916,235
  6. Step 6: Final answer
    x = 2,133,217.38

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.