Home / 249,583,403.25-389,484,409.50

Finding the Third Proportional to 249,583,403.25 and 389,484,409.50

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Solution

The third proportional to 249,583,403.25 and 389,484,409.50 is: 607,805,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,583,403.25 : 389,484,409.50 = 389,484,409.50 : x
  2. Step 2: Convert to fraction form
    249,583,403.25/389,484,409.50 = 389,484,409.50/x
  3. Step 3: Cross multiply
    249,583,403.25x = 389,484,409.50 × 389,484,409.50
  4. Step 4: Simplify right side
    249,583,403.25x = 151,698,105,243,563,680
  5. Step 5: Solve for x
    x = 151,698,105,243,563,680/249,583,403.25
  6. Step 6: Final answer
    x = 607,805,259.76

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.