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Finding the Third Proportional to 841,685 and 1,271,276

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Solution

The third proportional to 841,685 and 1,271,276 is: 1,920,127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,685 : 1,271,276 = 1,271,276 : x
  2. Step 2: Convert to fraction form
    841,685/1,271,276 = 1,271,276/x
  3. Step 3: Cross multiply
    841,685x = 1,271,276 × 1,271,276
  4. Step 4: Simplify right side
    841,685x = 1,616,142,668,176
  5. Step 5: Solve for x
    x = 1,616,142,668,176/841,685
  6. Step 6: Final answer
    x = 1,920,127.68

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.