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Finding the Third Proportional to 738,130 and 1,205,289

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Solution

The third proportional to 738,130 and 1,205,289 is: 1,968,110.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,130 : 1,205,289 = 1,205,289 : x
  2. Step 2: Convert to fraction form
    738,130/1,205,289 = 1,205,289/x
  3. Step 3: Cross multiply
    738,130x = 1,205,289 × 1,205,289
  4. Step 4: Simplify right side
    738,130x = 1,452,721,573,521
  5. Step 5: Solve for x
    x = 1,452,721,573,521/738,130
  6. Step 6: Final answer
    x = 1,968,110.73

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.