Finding the Third Proportional to 249,238,478.25 and 542,365,125.75
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Solution
The third proportional to 249,238,478.25 and 542,365,125.75 is: 1,180,234,816.45
Step by Step Solution
- Step 1: Write the proportion equation
249,238,478.25 : 542,365,125.75 = 542,365,125.75 : x - Step 2: Convert to fraction form
249,238,478.25/542,365,125.75 = 542,365,125.75/x - Step 3: Cross multiply
249,238,478.25x = 542,365,125.75 × 542,365,125.75 - Step 4: Simplify right side
249,238,478.25x = 294,159,929,629,813,312 - Step 5: Solve for x
x = 294,159,929,629,813,312/249,238,478.25 - Step 6: Final answer
x = 1,180,234,816.45
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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.