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Finding the Third Proportional to 6,430 and 14,090

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Solution

The third proportional to 6,430 and 14,090 is: 30,875.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430 : 14,090 = 14,090 : x
  2. Step 2: Convert to fraction form
    6,430/14,090 = 14,090/x
  3. Step 3: Cross multiply
    6,430x = 14,090 × 14,090
  4. Step 4: Simplify right side
    6,430x = 198,528,100
  5. Step 5: Solve for x
    x = 198,528,100/6,430
  6. Step 6: Final answer
    x = 30,875.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.