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Finding the Third Proportional to 977.06 and 1,430.16

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Solution

The third proportional to 977.06 and 1,430.16 is: 2,093.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    977.06 : 1,430.16 = 1,430.16 : x
  2. Step 2: Convert to fraction form
    977.06/1,430.16 = 1,430.16/x
  3. Step 3: Cross multiply
    977.06x = 1,430.16 × 1,430.16
  4. Step 4: Simplify right side
    977.06x = 2,045,346.90
  5. Step 5: Solve for x
    x = 2,045,346.90/977.06
  6. Step 6: Final answer
    x = 2,093.36

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.