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Finding the Third Proportional to 15,783.94 and 35,070.94

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Solution

The third proportional to 15,783.94 and 35,070.94 is: 77,925.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.94 : 35,070.94 = 35,070.94 : x
  2. Step 2: Convert to fraction form
    15,783.94/35,070.94 = 35,070.94/x
  3. Step 3: Cross multiply
    15,783.94x = 35,070.94 × 35,070.94
  4. Step 4: Simplify right side
    15,783.94x = 1,229,970,657.13
  5. Step 5: Solve for x
    x = 1,229,970,657.13/15,783.94
  6. Step 6: Final answer
    x = 77,925.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.