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Finding the Third Proportional to 197,618 and 432,712

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Solution

The third proportional to 197,618 and 432,712 is: 947,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,618 : 432,712 = 432,712 : x
  2. Step 2: Convert to fraction form
    197,618/432,712 = 432,712/x
  3. Step 3: Cross multiply
    197,618x = 432,712 × 432,712
  4. Step 4: Simplify right side
    197,618x = 187,239,674,944
  5. Step 5: Solve for x
    x = 187,239,674,944/197,618
  6. Step 6: Final answer
    x = 947,482.90

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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.