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Finding the Third Proportional to 139,459,817.81 and 304,030,258.31

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Solution

The third proportional to 139,459,817.81 and 304,030,258.31 is: 662,803,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,459,817.81 : 304,030,258.31 = 304,030,258.31 : x
  2. Step 2: Convert to fraction form
    139,459,817.81/304,030,258.31 = 304,030,258.31/x
  3. Step 3: Cross multiply
    139,459,817.81x = 304,030,258.31 × 304,030,258.31
  4. Step 4: Simplify right side
    139,459,817.81x = 92,434,397,969,565,472
  5. Step 5: Solve for x
    x = 92,434,397,969,565,472/139,459,817.81
  6. Step 6: Final answer
    x = 662,803,088.51

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.