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Finding the Third Proportional to 470,130 and 706,221

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Solution

The third proportional to 470,130 and 706,221 is: 1,060,872.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,130 : 706,221 = 706,221 : x
  2. Step 2: Convert to fraction form
    470,130/706,221 = 706,221/x
  3. Step 3: Cross multiply
    470,130x = 706,221 × 706,221
  4. Step 4: Simplify right side
    470,130x = 498,748,100,841
  5. Step 5: Solve for x
    x = 498,748,100,841/470,130
  6. Step 6: Final answer
    x = 1,060,872.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.