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Finding the Third Proportional to 139,459,835 and 304,030,291

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Solution

The third proportional to 139,459,835 and 304,030,291 is: 662,803,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,459,835 : 304,030,291 = 304,030,291 : x
  2. Step 2: Convert to fraction form
    139,459,835/304,030,291 = 304,030,291/x
  3. Step 3: Cross multiply
    139,459,835x = 304,030,291 × 304,030,291
  4. Step 4: Simplify right side
    139,459,835x = 92,434,417,845,544,688
  5. Step 5: Solve for x
    x = 92,434,417,845,544,688/139,459,835
  6. Step 6: Final answer
    x = 662,803,149.35

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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.